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DS ADCs use oversampling and noise-shaping in order to achieve high resolution. The core idea is to trade circuit accuracy such as component matching, which is required in many other types of ADCs, against time by oversampling, and to use the concept of control theory to reduce the inband quantization noise by spectral noise shaping.

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Theory of Incremental Delta-Sigma ADCs

  • 章节

  • 发表日期：

    2026年

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  • Maurits Ortmanns,
  • Paul Kaesser,
  • Johannes Wagner

摘要

DS ADCs use oversampling and noise-shaping in order to achieve high resolution. The core idea is to trade circuit accuracy such as component matching, which is required in many other types of ADCs, against time by oversampling, and to use the concept of control theory to reduce the inband quantization noise by spectral noise shaping.